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State PCS PYQPrelims 2025

BPSC – Combined Competitive Examination · Question 129

During a short circuit, the value of electric current in the circuit:

  1. Becomes very low
  2. Does not change
  3. Increases very sharply
  4. Changes continuously
Show answer & explanation

Answer: (C) Increases very sharply

Explanation

In a short circuit, live and neutral touch, resistance falls almost to zero and current rises sharply.

  • (A) Incorrect

    Wrong: resistance drops, so current rises.

  • (B) Incorrect

    Wrong: current changes sharply.

  • (C) Correct

    Correct: near-zero resistance makes current (I = V/R) very large.

  • (D) Incorrect

    Wrong: the defining feature is a sudden large rise.